[Lustre-discuss] Lustre 1.6.4.2 (IP Address change)

[anil kumar]

HI,

Does any one have info related to IP Address changed,

I had changed the IP Address of MDT & OST server & while i try to mount the
filesystem i get the following error,

[root at hyd60001oss /]# mount -t lustre hyd60001mdt at tcp0:/datafs /lustrefs
mount.lustre: mount hyd60001mdt at tcp0:/datafs at /lustrefs failed: No such
device
Are the lustre modules loaded?
Check /etc/modprobe.conf and /proc/filesystems
Note 'alias lustre llite' should be removed from modprobe.conf
[root at hyd60001oss /]#
it display the nid,

[root at hyd60001mdt /]# lctl list_nids
10.176.86.34 at tcp
[root at hyd60001mdt /]#
while i try to mount using IP, errror is same,
[root at hyd60001oss /]# mount -t lustre 10.176.86.34 at tcp:/datafs /lustrefs
mount.lustre: mount 10.176.86.34 at tcp:/datafs at /lustrefs failed: No such
device
Are the lustre modules loaded?
Check /etc/modprobe.conf and /proc/filesystems
Note 'alias lustre llite' should be removed from modprobe.conf
[root at hyd60001oss /]#
ON MGS server i see the following, resources are up,

[root at hyd60001mdt /]# lctl dl
  0 UP mgs MGS MGS 13
  1 UP mgc MGC10.176.86.34 at tcp 9b943267-ac2b-603c-697d-a2962f482949 5
  2 UP mdt MDS MDS_uuid 3
  3 UP lov datafs-mdtlov datafs-mdtlov_UUID 4
  4 UP mds datafs-MDT0000 datafs-MDT0000_UUID 4
  5 UP osc datafs-OST0000-osc datafs-mdtlov_UUID 5
  6 UP osc datafs-OST0001-osc datafs-mdtlov_UUID 5
  7 UP osc datafs-OST0002-osc datafs-mdtlov_UUID 5
  8 UP osc datafs-OST0003-osc datafs-mdtlov_UUID 5
[root at hyd60001mdt /]#
Please let me know if some fixed such issues,

Thanks,
Anil
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